19 cities
| City | County | 2026 Pop. ↓ |
|---|---|---|
| Highlands Ranch | Douglas County | 102,527 |
| Holly Hills | Arapahoe County | 2,682 |
| Holyoke | Phillips County | 2,271 |
| Hayden | Routt County | 1,914 |
| Hudson | Weld County | 1,602 |
| Howard | Fremont County | 1,260 |
| Hotchkiss | Delta County | 971 |
| Haxtun | Phillips County | 960 |
| Holly | Prowers County | 842 |
| Hugo | Lincoln County | 767 |
| Hot Sulphur Springs | Grand County | 638 |
| Hillrose | Morgan County | 319 |
| Heeney | Grand County | 114 |
| Hasty | Bent County | 82 |
| Hooper | Alamosa County | 76 |
| Haswell | Kiowa County | 68 |
| Hoehne | Las Animas County | 58 |
| Hartman | Prowers County | 57 |
| Hidden Lake | Boulder County | 37 |